.unreadWarn {
  display: inline-block;
  margin-left: 4px;
  background: #ff4d4f;
  color: #fff;
  text-align: center;
  font-size: 9px;
  vertical-align: middle;
  line-height: 16px;

  &.mini {
    width: 8px;
    height: 8px;
    border-radius: 50%;
  }

  &.small {
    width: 16px;
    height: 16px;
    line-height: 16px;
    border-radius: 50%;
  }

  &.normal {
    width: 16px;
    height: 16px;
    line-height: 16px;
    border-radius: 48%;
    padding: 1px 2px;
  }

  &.big {
    width: 24px;
    height: 16px;
    line-height: 16px;
    border-radius: 45%;
    padding: 3px 2px;
    transform: scale(0.8);
  }
}